CVE-2013-1864

Severity Score

4.3

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted PXML document containing a large number of nested entity references, aka a "billion laughs attack."

Portable Tool Library (también conocido como PTLib) anterior a 2.10.10, utilizado en Ekiga anterior a 4.0.1, no detecta debidamente recursión durante expansión de entidad, lo que permite a atacantes remotos causar una denegación de servicio (consumo de memoria y CPU) a través de un documento PXML manipulado que contiene un número grande de referencias de entidad anidadas, también conocido como 'ataque de un billón de risas.'

*Credits: N/A

CVSS Scores

NISTv2 4.3

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2013-02-19 CVE Reserved
2014-05-23 CVE Published
2023-03-07 EPSS Updated
2024-08-06 CVE Updated
2024-08-06 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (9)

URL	Tag	Source
http://osvdb.org/91439	Vdb Entry
http://seclists.org/oss-sec/2013/q1/674	Mailing List
http://secunia.com/advisories/52659	Third Party Advisory
http://www.securityfocus.com/bid/58520	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/82885	Vdb Entry

URL	Date	SRC
http://sourceforge.net/p/opalvoip/code/28856	2024-08-06

URL	Date	SRC
http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-available	2017-08-29

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html	2017-08-29
https://www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html	2017-08-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opalvoip Search vendor "Opalvoip"		Portable Tool Library Search vendor "Opalvoip" for product "Portable Tool Library"				2.10.1 Search vendor "Opalvoip" for product "Portable Tool Library" and version "2.10.1"		-		Affected
Opalvoip Search vendor "Opalvoip"		Portable Tool Library Search vendor "Opalvoip" for product "Portable Tool Library"				2.10.2 Search vendor "Opalvoip" for product "Portable Tool Library" and version "2.10.2"		-		Affected
Opalvoip Search vendor "Opalvoip"		Portable Tool Library Search vendor "Opalvoip" for product "Portable Tool Library"				2.10.7 Search vendor "Opalvoip" for product "Portable Tool Library" and version "2.10.7"		-		Affected
Opalvoip Search vendor "Opalvoip"		Portable Tool Library Search vendor "Opalvoip" for product "Portable Tool Library"				2.10.9 Search vendor "Opalvoip" for product "Portable Tool Library" and version "2.10.9"		-		Affected
Ekiga Search vendor "Ekiga"		Ekiga Search vendor "Ekiga" for product "Ekiga"				<= 4.0.0 Search vendor "Ekiga" for product "Ekiga" and version " <= 4.0.0"		-		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Software Development Kit Search vendor "Suse" for product "Suse Linux Enterprise Software Development Kit"				11.0 Search vendor "Suse" for product "Suse Linux Enterprise Software Development Kit" and version "11.0"		sp3		Affected
Suse Search vendor "Suse"		Suse Linux Enterprise Desktop Search vendor "Suse" for product "Suse Linux Enterprise Desktop"				11.0 Search vendor "Suse" for product "Suse Linux Enterprise Desktop" and version "11.0"		sp3		Affected